Home / 12,498,638.58-18,747,824.22-9,484,515.18

Finding the Fourth Proportional to 12,498,638.58, 18,747,824.22 and 9,484,515.18

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Solution

The fourth proportional to 12,498,638.58, 18,747,824.22 and 9,484,515.18 is: 14,226,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498,638.58 : 18,747,824.22 = 9,484,515.18 : x
  2. Step 2: Convert to fraction form
    12,498,638.58/18,747,824.22 = 9,484,515.18/x
  3. Step 3: Cross multiply
    12,498,638.58x = 18,747,824.22 × 9,484,515.18
  4. Step 4: Simplify right side
    12,498,638.58x = 177,814,023,406,561.66
  5. Step 5: Solve for x
    x = 177,814,023,406,561.66/12,498,638.58
  6. Step 6: Final answer
    x = 14,226,671.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.